S: (adj) thin (of relatively small extent from one surface to the opposite or in cross section) "thin wire"; "a thin chiffon blouse"; "a thin book"; "a thin layer of paint"
S: (adj) sparse, thin (not dense) "a thin beard"; "trees were sparse"
S: (adj) thin (relatively thin in consistency or low in density; not viscous) "air is thin at high altitudes"; "a thin soup"; "skimmed milk is much thinner than whole milk"; "thin oil"
S: (adj) flimsy, fragile, slight, tenuous, thin (lacking substance or significance) "slight evidence"; "a tenuous argument"; "a thin plot"; "a fragile claim to fame"